{"id":"CVE-2024-43833","state":"PUBLISHED","title":"media: v4l: async: Fix NULL pointer dereference in adding ancillary links","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l: async: Fix NULL pointer dereference in adding ancillary links\n\nIn v4l2_async_create_ancillary_links(), ancillary links are created for\nlens and flash sub-devices. These are sub-device to sub-device links and\nif the async notifier is related to a V4L2 device, the source sub-device\nof the ancillary link is NULL, leading to a NULL pointer dereference.\nCheck the notifier's sd field is non-NULL in\nv4l2_async_create_ancillary_links().\n\n[Sakari Ailus: Reword the subject and commit messages slightly.]","publishedAt":"2024-08-17T09:21:50.890Z","updatedAt":"2026-05-11T20:30:41.758Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"aa4faf6eb27132532d5a133d9241254c16d4bafa","status":"affected","lessThan":"fe0f92fd5320b393e44ca210805e653ea90cc982","versionType":"git"},{"version":"aa4faf6eb27132532d5a133d9241254c16d4bafa","status":"affected","lessThan":"249212ceb4187783af3801c57b92a5a25d410621","versionType":"git"},{"version":"aa4faf6eb27132532d5a133d9241254c16d4bafa","status":"affected","lessThan":"b87e28050d9b0959de24574d587825cfab2f13fb","versionType":"git"},{"version":"aa4faf6eb27132532d5a133d9241254c16d4bafa","status":"affected","lessThan":"9b4667ea67854f0b116fe22ad11ef5628c5b5b5f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/v4l2-core/v4l2-async.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.1.103","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.44","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.3","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/v4l2-core/v4l2-async.c"]}],"references":["https://git.kernel.org/stable/c/fe0f92fd5320b393e44ca210805e653ea90cc982","https://git.kernel.org/stable/c/249212ceb4187783af3801c57b92a5a25d410621","https://git.kernel.org/stable/c/b87e28050d9b0959de24574d587825cfab2f13fb","https://git.kernel.org/stable/c/9b4667ea67854f0b116fe22ad11ef5628c5b5b5f","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/43xxx/CVE-2024-43833.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-43833","state":"PUBLISHED","datePublished":"2024-08-17T09:21:50.890Z","dateUpdated":"2026-05-11T20:30:41.758Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-17T09:11:59.273Z"},"containers":{"cna":{"title":"media: v4l: async: Fix NULL pointer dereference in adding ancillary links","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l: async: Fix NULL pointer dereference in adding ancillary links\n\nIn v4l2_async_create_ancillary_links(), ancillary links are created for\nlens and flash sub-devices. These are sub-device to sub-device links and\nif the async notifier is related to a V4L2 device, the source sub-device\nof the ancillary link is NULL, leading to a NULL pointer dereference.\nCheck the notifier's sd field is non-NULL in\nv4l2_async_create_ancillary_links().\n\n[Sakari Ailus: Reword the subject and commit messages slightly.]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"aa4faf6eb27132532d5a133d9241254c16d4bafa","status":"affected","lessThan":"fe0f92fd5320b393e44ca210805e653ea90cc982","versionType":"git"},{"version":"aa4faf6eb27132532d5a133d9241254c16d4bafa","status":"affected","lessThan":"249212ceb4187783af3801c57b92a5a25d410621","versionType":"git"},{"version":"aa4faf6eb27132532d5a133d9241254c16d4bafa","status":"affected","lessThan":"b87e28050d9b0959de24574d587825cfab2f13fb","versionType":"git"},{"version":"aa4faf6eb27132532d5a133d9241254c16d4bafa","status":"affected","lessThan":"9b4667ea67854f0b116fe22ad11ef5628c5b5b5f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/v4l2-core/v4l2-async.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.1.103","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.44","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.3","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/v4l2-core/v4l2-async.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/fe0f92fd5320b393e44ca210805e653ea90cc982"},{"url":"https://git.kernel.org/stable/c/249212ceb4187783af3801c57b92a5a25d410621"},{"url":"https://git.kernel.org/stable/c/b87e28050d9b0959de24574d587825cfab2f13fb"},{"url":"https://git.kernel.org/stable/c/9b4667ea67854f0b116fe22ad11ef5628c5b5b5f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:30:41.758Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.1.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.6.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.10.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-43833","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:08:21.590404Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-12T17:33:04.705Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T22:05:18.444Z"}}]}}}